Finding the Fourth Proportional to 1,512,325.40, 2,086,982.77 and 824,002.91
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Solution
The fourth proportional to 1,512,325.40, 2,086,982.77 and 824,002.91 is: 1,137,109.70
Step by Step Solution
- Step 1: Write the proportion equation
1,512,325.40 : 2,086,982.77 = 824,002.91 : x - Step 2: Convert to fraction form
1,512,325.40/2,086,982.77 = 824,002.91/x - Step 3: Cross multiply
1,512,325.40x = 2,086,982.77 × 824,002.91 - Step 4: Simplify right side
1,512,325.40x = 1,719,679,881,847.32 - Step 5: Solve for x
x = 1,719,679,881,847.32/1,512,325.40 - Step 6: Final answer
x = 1,137,109.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.